Supported Exchanges
River Markets aggregates liquidity across multiple prediction market exchanges through a single API.Available Exchanges
Kalshi
US regulated prediction markets. Supports REST API and WebSocket for fills and orderbook data.
Polymarket
Crypto prediction markets. Supports REST API and WebSocket for fills and orderbook data.
Polymarket US
US regulated prediction markets. Supports REST API and WebSocket for fills and orderbook data.
Crypto.com
US regulated prediction markets on the Crypto.com Derivatives North America exchange. FIX for orders, fills and orderbook data.